diff --git a/MAINTAINERS b/MAINTAINERS
index 411b0d0..50b8148 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3942,7 +3942,7 @@
 F:	include/linux/isicom.h
 
 MUSB MULTIPOINT HIGH SPEED DUAL-ROLE CONTROLLER
-M:	Felipe Balbi <felipe.balbi@nokia.com>
+M:	Felipe Balbi <balbi@ti.com>
 L:	linux-usb@vger.kernel.org
 T:	git git://gitorious.org/usb/usb.git
 S:	Maintained
@@ -4240,7 +4240,7 @@
 F:	drivers/char/hw_random/omap-rng.c
 
 OMAP USB SUPPORT
-M:	Felipe Balbi <felipe.balbi@nokia.com>
+M:	Felipe Balbi <balbi@ti.com>
 M:	David Brownell <dbrownell@users.sourceforge.net>
 L:	linux-usb@vger.kernel.org
 L:	linux-omap@vger.kernel.org
diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c
index 0974c0e..bab0129 100644
--- a/arch/frv/kernel/signal.c
+++ b/arch/frv/kernel/signal.c
@@ -121,6 +121,9 @@
 	struct user_context *user = current->thread.user;
 	unsigned long tbr, psr;
 
+	/* Always make any pending restarted system calls return -EINTR */
+	current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
 	tbr = user->i.tbr;
 	psr = user->i.psr;
 	if (copy_from_user(user, &sc->sc_context, sizeof(sc->sc_context)))
@@ -250,6 +253,8 @@
 	struct sigframe __user *frame;
 	int rsig;
 
+	set_fs(USER_DS);
+
 	frame = get_sigframe(ka, sizeof(*frame));
 
 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
@@ -293,22 +298,23 @@
 				   (unsigned long) (frame->retcode + 2));
 	}
 
-	/* set up registers for signal handler */
-	__frame->sp   = (unsigned long) frame;
-	__frame->lr   = (unsigned long) &frame->retcode;
-	__frame->gr8  = sig;
-
+	/* Set up registers for the signal handler */
 	if (current->personality & FDPIC_FUNCPTRS) {
 		struct fdpic_func_descriptor __user *funcptr =
 			(struct fdpic_func_descriptor __user *) ka->sa.sa_handler;
-		__get_user(__frame->pc, &funcptr->text);
-		__get_user(__frame->gr15, &funcptr->GOT);
+		struct fdpic_func_descriptor desc;
+		if (copy_from_user(&desc, funcptr, sizeof(desc)))
+			goto give_sigsegv;
+		__frame->pc = desc.text;
+		__frame->gr15 = desc.GOT;
 	} else {
 		__frame->pc   = (unsigned long) ka->sa.sa_handler;
 		__frame->gr15 = 0;
 	}
 
-	set_fs(USER_DS);
+	__frame->sp   = (unsigned long) frame;
+	__frame->lr   = (unsigned long) &frame->retcode;
+	__frame->gr8  = sig;
 
 	/* the tracer may want to single-step inside the handler */
 	if (test_thread_flag(TIF_SINGLESTEP))
@@ -323,7 +329,7 @@
 	return 0;
 
 give_sigsegv:
-	force_sig(SIGSEGV, current);
+	force_sigsegv(sig, current);
 	return -EFAULT;
 
 } /* end setup_frame() */
@@ -338,6 +344,8 @@
 	struct rt_sigframe __user *frame;
 	int rsig;
 
+	set_fs(USER_DS);
+
 	frame = get_sigframe(ka, sizeof(*frame));
 
 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
@@ -392,22 +400,23 @@
 	}
 
 	/* Set up registers for signal handler */
-	__frame->sp  = (unsigned long) frame;
-	__frame->lr   = (unsigned long) &frame->retcode;
-	__frame->gr8 = sig;
-	__frame->gr9 = (unsigned long) &frame->info;
-
 	if (current->personality & FDPIC_FUNCPTRS) {
 		struct fdpic_func_descriptor __user *funcptr =
 			(struct fdpic_func_descriptor __user *) ka->sa.sa_handler;
-		__get_user(__frame->pc, &funcptr->text);
-		__get_user(__frame->gr15, &funcptr->GOT);
+		struct fdpic_func_descriptor desc;
+		if (copy_from_user(&desc, funcptr, sizeof(desc)))
+			goto give_sigsegv;
+		__frame->pc = desc.text;
+		__frame->gr15 = desc.GOT;
 	} else {
 		__frame->pc   = (unsigned long) ka->sa.sa_handler;
 		__frame->gr15 = 0;
 	}
 
-	set_fs(USER_DS);
+	__frame->sp  = (unsigned long) frame;
+	__frame->lr  = (unsigned long) &frame->retcode;
+	__frame->gr8 = sig;
+	__frame->gr9 = (unsigned long) &frame->info;
 
 	/* the tracer may want to single-step inside the handler */
 	if (test_thread_flag(TIF_SINGLESTEP))
@@ -422,7 +431,7 @@
 	return 0;
 
 give_sigsegv:
-	force_sig(SIGSEGV, current);
+	force_sigsegv(sig, current);
 	return -EFAULT;
 
 } /* end setup_rt_frame() */
@@ -437,7 +446,7 @@
 	int ret;
 
 	/* Are we from a system call? */
-	if (in_syscall(__frame)) {
+	if (__frame->syscallno != -1) {
 		/* If so, check system call restarting.. */
 		switch (__frame->gr8) {
 		case -ERESTART_RESTARTBLOCK:
@@ -456,6 +465,7 @@
 			__frame->gr8 = __frame->orig_gr8;
 			__frame->pc -= 4;
 		}
+		__frame->syscallno = -1;
 	}
 
 	/* Set up the stack frame */
@@ -538,10 +548,11 @@
 			break;
 
 		case -ERESTART_RESTARTBLOCK:
-			__frame->gr8 = __NR_restart_syscall;
+			__frame->gr7 = __NR_restart_syscall;
 			__frame->pc -= 4;
 			break;
 		}
+		__frame->syscallno = -1;
 	}
 
 	/* if there's no signal to deliver, we just put the saved sigmask
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 50441ff..2904aa0 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -472,14 +472,9 @@
 	spin_unlock_irqrestore(&uap->port.lock, flags);
 }
 
-static void pl010_set_ldisc(struct uart_port *port)
+static void pl010_set_ldisc(struct uart_port *port, int new)
 {
-	int line = port->line;
-
-	if (line >= port->state->port.tty->driver->num)
-		return;
-
-	if (port->state->port.tty->ldisc->ops->num == N_PPS) {
+	if (new == N_PPS) {
 		port->flags |= UPF_HARDPPS_CD;
 		pl010_enable_ms(port);
 	} else
diff --git a/drivers/serial/mfd.c b/drivers/serial/mfd.c
index bc9af50..324c385a 100644
--- a/drivers/serial/mfd.c
+++ b/drivers/serial/mfd.c
@@ -1423,7 +1423,6 @@
 	}
 
 	phsu = hsu;
-
 	hsu_debugfs_init(hsu);
 	return;
 
@@ -1435,18 +1434,20 @@
 
 static void serial_hsu_remove(struct pci_dev *pdev)
 {
-	struct hsu_port *hsu;
-	int i;
+	void *priv = pci_get_drvdata(pdev);
+	struct uart_hsu_port *up;
 
-	hsu = pci_get_drvdata(pdev);
-	if (!hsu)
+	if (!priv)
 		return;
 
-	for (i = 0; i < 3; i++)
-		uart_remove_one_port(&serial_hsu_reg, &hsu->port[i].port);
+	/* For port 0/1/2, priv is the address of uart_hsu_port */
+	if (pdev->device != 0x081E) {
+		up = priv;
+		uart_remove_one_port(&serial_hsu_reg, &up->port);
+	}
 
 	pci_set_drvdata(pdev, NULL);
-	free_irq(hsu->irq, hsu);
+	free_irq(pdev->irq, priv);
 	pci_disable_device(pdev);
 }
 
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 58b72d7..a1e8d27 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -119,6 +119,11 @@
 			ehci->broken_periodic = 1;
 			ehci_info(ehci, "using broken periodic workaround\n");
 		}
+		if (pdev->device == 0x0806 || pdev->device == 0x0811
+				|| pdev->device == 0x0829) {
+			ehci_info(ehci, "disable lpm for langwell/penwell\n");
+			ehci->has_lpm = 0;
+		}
 		break;
 	case PCI_VENDOR_ID_TDI:
 		if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) {
diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c
index c79a5e3..9e8639d 100644
--- a/drivers/usb/musb/musb_debugfs.c
+++ b/drivers/usb/musb/musb_debugfs.c
@@ -195,15 +195,14 @@
 
 static int musb_test_mode_open(struct inode *inode, struct file *file)
 {
-	file->private_data = inode->i_private;
-
 	return single_open(file, musb_test_mode_show, inode->i_private);
 }
 
 static ssize_t musb_test_mode_write(struct file *file,
 		const char __user *ubuf, size_t count, loff_t *ppos)
 {
-	struct musb		*musb = file->private_data;
+	struct seq_file		*s = file->private_data;
+	struct musb		*musb = s->private;
 	u8			test = 0;
 	char			buf[18];
 
diff --git a/drivers/usb/otg/twl4030-usb.c b/drivers/usb/otg/twl4030-usb.c
index 05aaac1..0bc9769 100644
--- a/drivers/usb/otg/twl4030-usb.c
+++ b/drivers/usb/otg/twl4030-usb.c
@@ -347,11 +347,20 @@
 	}
 }
 
+static void __twl4030_phy_power(struct twl4030_usb *twl, int on)
+{
+	u8 pwr = twl4030_usb_read(twl, PHY_PWR_CTRL);
+
+	if (on)
+		pwr &= ~PHY_PWR_PHYPWD;
+	else
+		pwr |= PHY_PWR_PHYPWD;
+
+	WARN_ON(twl4030_usb_write_verify(twl, PHY_PWR_CTRL, pwr) < 0);
+}
+
 static void twl4030_phy_power(struct twl4030_usb *twl, int on)
 {
-	u8 pwr;
-
-	pwr = twl4030_usb_read(twl, PHY_PWR_CTRL);
 	if (on) {
 		regulator_enable(twl->usb3v1);
 		regulator_enable(twl->usb1v8);
@@ -365,15 +374,13 @@
 		twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0,
 							VUSB_DEDICATED2);
 		regulator_enable(twl->usb1v5);
-		pwr &= ~PHY_PWR_PHYPWD;
-		WARN_ON(twl4030_usb_write_verify(twl, PHY_PWR_CTRL, pwr) < 0);
+		__twl4030_phy_power(twl, 1);
 		twl4030_usb_write(twl, PHY_CLK_CTRL,
 				  twl4030_usb_read(twl, PHY_CLK_CTRL) |
 					(PHY_CLK_CTRL_CLOCKGATING_EN |
 						PHY_CLK_CTRL_CLK32K_EN));
-	} else  {
-		pwr |= PHY_PWR_PHYPWD;
-		WARN_ON(twl4030_usb_write_verify(twl, PHY_PWR_CTRL, pwr) < 0);
+	} else {
+		__twl4030_phy_power(twl, 0);
 		regulator_disable(twl->usb1v5);
 		regulator_disable(twl->usb1v8);
 		regulator_disable(twl->usb3v1);
@@ -387,19 +394,25 @@
 
 	twl4030_phy_power(twl, 0);
 	twl->asleep = 1;
+	dev_dbg(twl->dev, "%s\n", __func__);
+}
+
+static void __twl4030_phy_resume(struct twl4030_usb *twl)
+{
+	twl4030_phy_power(twl, 1);
+	twl4030_i2c_access(twl, 1);
+	twl4030_usb_set_mode(twl, twl->usb_mode);
+	if (twl->usb_mode == T2_USB_MODE_ULPI)
+		twl4030_i2c_access(twl, 0);
 }
 
 static void twl4030_phy_resume(struct twl4030_usb *twl)
 {
 	if (!twl->asleep)
 		return;
-
-	twl4030_phy_power(twl, 1);
-	twl4030_i2c_access(twl, 1);
-	twl4030_usb_set_mode(twl, twl->usb_mode);
-	if (twl->usb_mode == T2_USB_MODE_ULPI)
-		twl4030_i2c_access(twl, 0);
+	__twl4030_phy_resume(twl);
 	twl->asleep = 0;
+	dev_dbg(twl->dev, "%s\n", __func__);
 }
 
 static int twl4030_usb_ldo_init(struct twl4030_usb *twl)
@@ -408,8 +421,8 @@
 	twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 0xC0, PROTECT_KEY);
 	twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 0x0C, PROTECT_KEY);
 
-	/* put VUSB3V1 LDO in active state */
-	twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0, VUSB_DEDICATED2);
+	/* Keep VUSB3V1 LDO in sleep state until VBUS/ID change detected*/
+	/*twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0, VUSB_DEDICATED2);*/
 
 	/* input to VUSB3V1 LDO is from VBAT, not VBUS */
 	twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x14, VUSB_DEDICATED1);
@@ -502,6 +515,26 @@
 	return IRQ_HANDLED;
 }
 
+static void twl4030_usb_phy_init(struct twl4030_usb *twl)
+{
+	int status;
+
+	status = twl4030_usb_linkstat(twl);
+	if (status >= 0) {
+		if (status == USB_EVENT_NONE) {
+			__twl4030_phy_power(twl, 0);
+			twl->asleep = 1;
+		} else {
+			__twl4030_phy_resume(twl);
+			twl->asleep = 0;
+		}
+
+		blocking_notifier_call_chain(&twl->otg.notifier, status,
+				twl->otg.gadget);
+	}
+	sysfs_notify(&twl->dev->kobj, NULL, "vbus");
+}
+
 static int twl4030_set_suspend(struct otg_transceiver *x, int suspend)
 {
 	struct twl4030_usb *twl = xceiv_to_twl(x);
@@ -550,7 +583,6 @@
 	struct twl4030_usb_data *pdata = pdev->dev.platform_data;
 	struct twl4030_usb	*twl;
 	int			status, err;
-	u8			pwr;
 
 	if (!pdata) {
 		dev_dbg(&pdev->dev, "platform_data not available\n");
@@ -569,10 +601,7 @@
 	twl->otg.set_peripheral	= twl4030_set_peripheral;
 	twl->otg.set_suspend	= twl4030_set_suspend;
 	twl->usb_mode		= pdata->usb_mode;
-
-	pwr = twl4030_usb_read(twl, PHY_PWR_CTRL);
-
-	twl->asleep		= (pwr & PHY_PWR_PHYPWD);
+	twl->asleep = 1;
 
 	/* init spinlock for workqueue */
 	spin_lock_init(&twl->lock);
@@ -610,15 +639,10 @@
 		return status;
 	}
 
-	/* The IRQ handler just handles changes from the previous states
-	 * of the ID and VBUS pins ... in probe() we must initialize that
-	 * previous state.  The easy way:  fake an IRQ.
-	 *
-	 * REVISIT:  a real IRQ might have happened already, if PREEMPT is
-	 * enabled.  Else the IRQ may not yet be configured or enabled,
-	 * because of scheduling delays.
+	/* Power down phy or make it work according to
+	 * current link state.
 	 */
-	twl4030_usb_irq(twl->irq, twl);
+	twl4030_usb_phy_init(twl);
 
 	dev_info(&pdev->dev, "Initialized TWL4030 USB module\n");
 	return 0;
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 30922a7..aa66581 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -2024,6 +2024,9 @@
 
 	case TIOCGICOUNT:
 		cnow = mos7720_port->icount;
+
+		memset(&icount, 0, sizeof(struct serial_icounter_struct));
+
 		icount.cts = cnow.cts;
 		icount.dsr = cnow.dsr;
 		icount.rng = cnow.rng;
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 1c9b6e9..1a42bc2 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2285,6 +2285,9 @@
 	case TIOCGICOUNT:
 		cnow = mos7840_port->icount;
 		smp_rmb();
+
+		memset(&icount, 0, sizeof(struct serial_icounter_struct));
+
 		icount.cts = cnow.cts;
 		icount.dsr = cnow.dsr;
 		icount.rng = cnow.rng;
diff --git a/mm/memory.c b/mm/memory.c
index 71b161b..0e18b4d 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2680,10 +2680,12 @@
 	delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
 
 	/*
-	 * Make sure try_to_free_swap didn't release the swapcache
-	 * from under us. The page pin isn't enough to prevent that.
+	 * Make sure try_to_free_swap or reuse_swap_page or swapoff did not
+	 * release the swapcache from under us.  The page pin, and pte_same
+	 * test below, are not enough to exclude that.  Even if it is still
+	 * swapcache, we need to check that the page's swap has not changed.
 	 */
-	if (unlikely(!PageSwapCache(page)))
+	if (unlikely(!PageSwapCache(page) || page_private(page) != entry.val))
 		goto out_page;
 
 	if (ksm_might_need_to_copy(page, vma, address)) {